Title:
排土用アダプタ、削孔装置及び排土回収システム
Document Type and Number:
Japanese Patent JP6621671
Kind Code:
B2
Inventors:
Suzuki Takeshi
Shuichi Shinmachi
Takashi Toshiba
Rintaro Okuno
Shuichi Shinmachi
Takashi Toshiba
Rintaro Okuno
Application Number:
JP2016008583A
Publication Date:
December 18, 2019
Filing Date:
January 20, 2016
Export Citation:
Assignee:
Japan Basic Technology Co., Ltd.
International Classes:
E02D7/14; E02D13/00; E21B6/02
Domestic Patent References:
| JP11350529A | ||||
| JP2006299724A | ||||
| JP3199708U | ||||
| JP3145827U |
Attorney, Agent or Firm:
Furuya Fumio
Takeshi Ohashi
Yoshio Kawada
Takeshi Ohashi
Yoshio Kawada